body {
  font: 12px/1.6 CXChineseQuote, -apple-system, BlinkMacSystemFont, Helvetica Neue, Segoe UI, Arial, PingFang SC, Hiragino Sans GB, Microsoft YaHei, sans-serif, Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol, Noto Color Emoji;
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

span {
  color: #A8A8B3;
}

.top-nav {
  position: fixed;
  width: 100%;
  height: 40px;
  background: #3A4357;
  box-shadow: 0 2px 17px 0 rgba(211, 211, 211, 0.5);
  text-align: center;
  line-height: 40px;
  font-size: 16px;
  color: #A8A8B3;
  left: 0;
  top: 0;
  z-index: 1000;
}
.top-nav a {
  float: right;
  width: 94px;
  height: 40px;
  background: #3A8BFF;
  border-left: 1px solid #313A4C;
  font-size: 14px;
  line-height: 40px;
  color: #FFFFFF;
  text-decoration: none;
}

.main {
  display: flex;
  justify-content: space-between;
  margin-top: 40px;
}

.left {
  position: fixed;
  width: 280px;
  background: #F7F8FA;
  border-right: 1px solid #F2F2F2;
  box-sizing: border-box;
  height: 100%;
  z-index: 100;
}
.left > div {
  padding: 30px 24px 0 24px;
}
.left > div h2 {
  padding-bottom: 20px;
  font-size: 18px;
  text-align: center;
}

.time {
  height: 50px;
  padding: 0 24px;
  line-height: 50px;
  font-size: 24px;
  background-color: #fff;
  border: 1px solid #F2F2F2;
  border-radius: 4px;
}
.time span {
  color: #F28C24;
}

.font_dl {
  border-bottom: 1px solid #F2F2F2;
  padding-bottom: 10px;
  margin-top: 20px;
}
.font_dl p {
  color: #8A8B99;
  font-size: 14px;
  margin-bottom: 10px;
}

.font_info p {
  margin-bottom: 10px;
  color: #8A8B99;
  font-size: 14px;
  line-height: 20px;
}

.center {
  min-width: 600px;
  margin-left: 280px;
  margin-right: 280px;
}

.choice {
  padding: 30px 20px 0 24px;
}
.choice h2 {
  padding-left: 20px;
  margin-bottom: 30px;
  font-size: 16px;
  color: #181E33;
  font-weight: bold;
}

form {
  margin: 20px;
}

.questionLi h3 {
  margin: 20px;
  font-size: 14px;
  overflow-wrap: break-word;
  line-height: 1.6;
  font-weight: 400;
}

.answer {
  padding: 5px 0 10px 0px;
  cursor: pointer;
}
.answer div {
  display: inline-block;
  font-size: 14px;
}
.answer div .active {
  border: 1px solid #9cc6ff;
  background-color: #3A8BFF;
  color: #FFFFFF;
}

.num_option {
  display: inline-block;
  width: 30px;
  height: 30px;
  border: 1px solid #E1EAF4;
  border-radius: 50%;
  text-align: center;
  line-height: 30px;
  font-size: 14px;
  color: #646873;
  margin-top: 2px;
}

.right {
  position: fixed;
  right: 0;
  margin-top: 20px;
  width: 280px;
  height: 100%;
  box-sizing: border-box;
  z-index: 10;
  border-left: 1px solid #f2f2f2;
  background: #fff;
}

.explain {
  border-bottom: 1px solid #f2f2f2;
  margin-left: 5px;
  padding: 9px 0 13px 5px;
}
.explain span {
  padding-left: 14px;
}
.explain span i {
  margin-right: 4px;
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  border: 1px solid #3a8bff;
}

.dq i {
  background: #3A8BFF;
}

.yp i {
  background: #BFDAFF;
}

.choiceNum {
  padding: 20px;
  line-height: 20px;
  font-size: 14px;
}

.listNum {
  padding-left: 23px;
  margin: 12px 0;
}
.listNum li {
  float: left;
  width: 32px;
  height: 32px;
  margin: 0 16px 20px 0;
  border: solid #3A8BFF 1px;
  border-radius: 5px;
  color: #3A8BFF;
  cursor: pointer;
  font: 12px/1.6 CXChineseQuote, -apple-system, BlinkMacSystemFont, Helvetica Neue, Segoe UI, Arial, PingFang SC, Hiragino Sans GB, Microsoft YaHei, sans-serif, Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol, Noto Color Emoji;
  font-size: 14px;
  font-weight: 400;
  line-height: 32px;
  text-align: center;
}
.listNum li.active {
  background-color: #BFDAFF;
  border-color: #3A8BFF;
  color: #6BA9FF;
}
.listNum li.current {
  background-color: #3A8BFF;
  border-color: #3A8BFF;
  color: #FFFFFF;
}